diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
commit | 293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch) | |
tree | fc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /doc/src/sgml/man7/ALTER_TABLESPACE.7 | |
parent | Initial commit. (diff) | |
download | postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip |
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'doc/src/sgml/man7/ALTER_TABLESPACE.7')
-rw-r--r-- | doc/src/sgml/man7/ALTER_TABLESPACE.7 | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/doc/src/sgml/man7/ALTER_TABLESPACE.7 b/doc/src/sgml/man7/ALTER_TABLESPACE.7 new file mode 100644 index 0000000..8ff6ba2 --- /dev/null +++ b/doc/src/sgml/man7/ALTER_TABLESPACE.7 @@ -0,0 +1,114 @@ +'\" t +.\" Title: ALTER TABLESPACE +.\" Author: The PostgreSQL Global Development Group +.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/> +.\" Date: 2024 +.\" Manual: PostgreSQL 16.2 Documentation +.\" Source: PostgreSQL 16.2 +.\" Language: English +.\" +.TH "ALTER TABLESPACE" "7" "2024" "PostgreSQL 16.2" "PostgreSQL 16.2 Documentation" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +ALTER_TABLESPACE \- change the definition of a tablespace +.SH "SYNOPSIS" +.sp +.nf +ALTER TABLESPACE \fIname\fR RENAME TO \fInew_name\fR +ALTER TABLESPACE \fIname\fR OWNER TO { \fInew_owner\fR | CURRENT_ROLE | CURRENT_USER | SESSION_USER } +ALTER TABLESPACE \fIname\fR SET ( \fItablespace_option\fR = \fIvalue\fR [, \&.\&.\&. ] ) +ALTER TABLESPACE \fIname\fR RESET ( \fItablespace_option\fR [, \&.\&.\&. ] ) +.fi +.SH "DESCRIPTION" +.PP +\fBALTER TABLESPACE\fR +can be used to change the definition of a tablespace\&. +.PP +You must own the tablespace to change the definition of a tablespace\&. To alter the owner, you must also be able to +SET ROLE +to the new owning role\&. (Note that superusers have these privileges automatically\&.) +.SH "PARAMETERS" +.PP +\fIname\fR +.RS 4 +The name of an existing tablespace\&. +.RE +.PP +\fInew_name\fR +.RS 4 +The new name of the tablespace\&. The new name cannot begin with +pg_, as such names are reserved for system tablespaces\&. +.RE +.PP +\fInew_owner\fR +.RS 4 +The new owner of the tablespace\&. +.RE +.PP +\fItablespace_option\fR +.RS 4 +A tablespace parameter to be set or reset\&. Currently, the only available parameters are +\fIseq_page_cost\fR, +\fIrandom_page_cost\fR, +\fIeffective_io_concurrency\fR +and +\fImaintenance_io_concurrency\fR\&. Setting these values for a particular tablespace will override the planner\*(Aqs usual estimate of the cost of reading pages from tables in that tablespace, and the executor\*(Aqs prefetching behavior, as established by the configuration parameters of the same name (see +seq_page_cost, +random_page_cost, +effective_io_concurrency, +maintenance_io_concurrency)\&. This may be useful if one tablespace is located on a disk which is faster or slower than the remainder of the I/O subsystem\&. +.RE +.SH "EXAMPLES" +.PP +Rename tablespace +index_space +to +fast_raid: +.sp +.if n \{\ +.RS 4 +.\} +.nf +ALTER TABLESPACE index_space RENAME TO fast_raid; +.fi +.if n \{\ +.RE +.\} +.PP +Change the owner of tablespace +index_space: +.sp +.if n \{\ +.RS 4 +.\} +.nf +ALTER TABLESPACE index_space OWNER TO mary; +.fi +.if n \{\ +.RE +.\} +.SH "COMPATIBILITY" +.PP +There is no +\fBALTER TABLESPACE\fR +statement in the SQL standard\&. +.SH "SEE ALSO" +CREATE TABLESPACE (\fBCREATE_TABLESPACE\fR(7)), DROP TABLESPACE (\fBDROP_TABLESPACE\fR(7)) |